Hirofumi Yamashita

KT Kabushiki Kaisha Toshiba: 50 patents #337 of 21,451Top 2%

SO Sony: 14 patents #3,108 of 25,231Top 15%

PA Panasonic: 9 patents #2,933 of 21,108Top 15%

DE Denso: 7 patents #1,924 of 11,792Top 20%

HI Hitachi: 7 patents #5,859 of 28,497Top 25%

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%

KC Kansai Coke And Chemicals Co.: 3 patents #3 of 29Top 15%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

HC Hitachi Computer Engineering Co.: 2 patents #9 of 170Top 6%

Canon: 1 patents #14,899 of 19,416Top 80%

NC Nippon Bee Chemical Co.: 1 patents #19 of 66Top 30%

MIT: 1 patents #4,386 of 9,367Top 50%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

NT National University Corporation Kyoto Institute Of Technology: 1 patents #28 of 151Top 20%

CC Cosmed Pharmaceutical Co.: 1 patents #12 of 23Top 55%

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

TC Tgk Co.: 1 patents #32 of 64Top 50%

TC Tohoku Ricoh Co.: 1 patents #101 of 204Top 50%

YA Yamatake: 1 patents #76 of 243Top 35%

📍 Yokohama, MI: #6 of 57 inventorsTop 15%

Overall (All Time): #13,854 of 4,157,543Top 1%

102

Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #	Title	Co-Inventors	Date
5343061	Solid-state imaging device suppressing dark-current noise	Yoshiyuki Matsunaga	1994-08-30
4750949	Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same	Hisashi Kobayashi, Motoharu Nakamura, Kikuji Hirose, Toshio Tsukada	1988-06-14